Annalisa Bona defeated Carolina Pillot 1-6 6-4 6-2 in the Biella 100K qualifying round of 16 on clay. The upset overturned the form book — Carolina Pillot came in leading the head-to-head 1–0. Annalisa Bona claimed a first win over Carolina Pillot in two meetings, levelling the head-to-head at 1–1.
Bona A. came through in three sets.
Annalisa Bona beat Carolina Pillot 1-6 6-4 6-2. Umpiry, "Annalisa Bona vs Carolina Pillot — Biella 100K Qualifying Round of 16", https://umpiry.com/match/2011-09-05/bona-vs-pillot-biella-100k-q16?utm_source=cite (as of 5 September 2011).